William Stephen Wasmund (December 1887 – October 4, 1911) was an American football player and coach. Wasmund was born in December 1887 in Michigan. His father, Lebrecht Wasmund, was a stone contractor born in Germany. Wasmund attended Lafayette College where he played fullback for the school's college football team for two years. Wasmund's play at Lafayette attracted the attention of Fielding H. Yost of the University of Michigan. Wasmund transferred to Michigan where Yost developed him into a quarterback. Wasmund was the Wolverines' starting quarterback for three years, from 1907 to 1909.